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.NET Development
.NET Framework 3.5
Resolve Method
 Resolve Method (RefreshMode)
.NET Framework Class Library
ObjectChangeConflict..::.Resolve Method (RefreshMode)

Updated: November 2007

Resolves member conflicts by using the specified RefreshMode.

Namespace:  System.Data.Linq
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

Visual Basic (Declaration)
Public Sub Resolve ( _
    refreshMode As RefreshMode _
)
Visual Basic (Usage)
Dim instance As ObjectChangeConflict
Dim refreshMode As RefreshMode

instance.Resolve(refreshMode)
C#
public void Resolve(
    RefreshMode refreshMode
)
Visual C++
public:
void Resolve(
    RefreshMode refreshMode
)
J#
public void Resolve(
    RefreshMode refreshMode
)
JScript
public function Resolve(
    refreshMode : RefreshMode
)

Parameters

refreshMode
Type: System.Data.Linq..::.RefreshMode

The appropriate option from RefreshMode.

The following examples show what results are produced by using the various values for RefreshMode.

The following example overwrites current values with values from the database.

Visual Basic
Dim db As New Northwnd("...")

Try
    db.SubmitChanges(ConflictMode.ContinueOnConflict)

Catch ex As ChangeConflictException
    Console.WriteLine(ex.Message)

    For Each occ As ObjectChangeConflict In db.ChangeConflicts
        ' All database values overwrite current values.
        occ.Resolve(Data.Linq.RefreshMode.OverwriteCurrentValues)
    Next

End Try

C#
Northwnd db = new Northwnd("...");
try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine(e.Message);
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        // All database values overwrite current values.
        occ.Resolve(RefreshMode.OverwriteCurrentValues);
    }
}

The following example shows how to swap the original value with the values retrieved from the dtabase. No current value is modified.

Visual Basic
Try
    db.SubmitChanges(ConflictMode.ContinueOnConflict)

Catch ex As ChangeConflictException
    Console.WriteLine(ex.Message)

    For Each occ As ObjectChangeConflict In db.ChangeConflicts
        ' No database values are merged into current.
        occ.Resolve(Data.Linq.RefreshMode.KeepCurrentValues)
    Next

End Try

C#
try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine(e.Message);
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        //No database values are merged into current.
        occ.Resolve(RefreshMode.KeepCurrentValues);
    }
}

The following example keeps the current values that have been changed, but updates the other values with database values.

Visual Basic
Try
    db.SubmitChanges(ConflictMode.ContinueOnConflict)

Catch ex As ChangeConflictException
    Console.WriteLine(ex.Message)

    For Each occ As ObjectChangeConflict In db.ChangeConflicts
        ' Automerge database values into current for members
        ' that client has not modified.
        occ.Resolve(Data.Linq.RefreshMode.KeepChanges)
    Next

End Try

' Submit succeeds on second try.
db.SubmitChanges(ConflictMode.FailOnFirstConflict)

C#
try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine(e.Message);
    // Automerge database values for members that client
    // has not modified.
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        occ.Resolve(RefreshMode.KeepChanges);
    }
}

// Submit succeeds on second try.
db.SubmitChanges(ConflictMode.FailOnFirstConflict);

Windows Vista, Windows XP SP2, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5
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